Succade

Succade is the candied peel of any of the citrus species, especially from the citron or Citrus medica which is distinct with its extra thick peel; in addition, the taste of the inner rind of the citron is less bitter than those of the other citrus.[1] However, the term is also occasionally applied to the peel, root,[2] or even entire fruit or vegetable like parsley, fennel[3] and cucurbita[4] which have a bitter taste and are boiled with sugar to get a special "sweet and sour" outcome.[5]

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The word succade is most probably derived from the Latinsuccidus,[9] but according to others the name may have originated from the Hebrew word sukkah, the temporary booth that Jews build on the holiday of Sukkot. The citron, known in Hebrew as an etrog, is one of the symbolic Four Species used on that holiday. After Sukkot, some Jews candy the etrog or make marmalade from it.[10]

A pure citron, of any kind, has a large portion of albedo, which is important for the production of Succade.

While the word Succade was widely used in German,[11] it was called by the Frenchfruit glacé or fruit confit , and is also known as candied fruit or crystallized fruit. It has been around since the 14th century.

The citron fruits are halved, depulped, immersed in seawater or ordinary salt water to ferment for about 40 days, the brine being changed every two weeks; rinsed, and put in denser brine in wooden barrels for storage and for export. After partial de-salting and boiling to soften the peel, it is candied in a strong sugar solution. The candied peel is sun-dried or put up in jars for future use. Candying is traditionally done in Livorno, Italy, where they gathered the Corsican citrons from Corsica, the Diamante citrons from Liguria, Naples, Calabria and Sicily, and the Greek citron from Greece through Trieste.[12][13]

The continual process of drenching the fruit in syrup causes the fruit to become saturated with sugar, thereby preventing the growth of spoilage microorganisms.[14]